CN216479282U - Jumper pipe hoisting stay bar - Google Patents

Abstract

The utility model discloses a jumper tube hoisting stay bar, which comprises a stay bar main body and a connecting stay bar, wherein the connecting stay bar is detachably arranged at the axial end part of the stay bar main body; the bottom of the strut main body is provided with a first supporting piece, the circumferential sides of the strut main body which are opposite to each other extend along the axial direction of the strut main body to form a plurality of first limiting pipes, and a first limiting space is formed between every two adjacent first limiting pipes; the stay bar main body is also provided with a first ROV handle for ROV operation, and the upper side surface of the stay bar main body is axially provided with a plurality of lifting lugs at intervals; the bottom of the connecting stay bar is provided with a second supporting piece, the circumferential side surfaces of the stay bar main body which are opposite to each other are axially extended along the connecting stay bar to form a plurality of second limiting pipes, and a second limiting space is formed between the adjacent second limiting pipes. The jumper pipe can be used for the jumper connection of various specifications and models, the cost is saved by repeated use, the construction process is more standardized, the work efficiency is improved, the jumper pipe is stable and does not shake in the whole installation process, the installation precision and the installation efficiency are improved, and the installation process is safer and more reliable.

Description

Jumper pipe hoisting stay bar

Technical Field

The utility model relates to the technical field of marine oil engineering, in particular to a jumper pipe hoisting support rod.

Background

The deep water oil gas jumper pipe is an important connecting element of an underwater production system, a stay bar is required to be used as an auxiliary hoisting tool in underwater installation operation, the original stay bar is usually designed to cover 3-5 designated jumper pipes, only a few jumper pipes matched with the stay bar can be hoisted, when the number of the jumper pipes is large and the difference between specifications and models is large, a plurality of different stay bars are required to be designed and manufactured to match the jumper pipes, and more labor, time and materials are required. The original stay bar is not provided with a base and a body limiting structure, so that certain safety risk exists during transportation and storage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a jumper tube hoisting support rod.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the hoisting support rod for the jumper tube comprises a support rod main body and a connecting support rod detachably mounted at the axial end part of the support rod main body;

the bottom of the strut main body is provided with a first supporting piece, the circumferential sides of the strut main body, which are opposite to each other, extend along the axial direction of the strut main body to form a plurality of first limiting pipes, and a first limiting space is formed between every two adjacent first limiting pipes; the stay bar main body is also provided with a first ROV handle for ROV operation, and the upper side surface of the stay bar main body is axially provided with a plurality of lifting lugs at intervals;

the bottom of the connecting support rod is provided with a second supporting piece, the circumferential sides of the support rod main body, which are opposite to each other, are provided with a plurality of second limiting pipes along the axial extension of the connecting support rod, and a second limiting space is formed between the adjacent second limiting pipes.

Preferably, a plurality of first rigging recovery structures are axially arranged on the upper side surface of the stay bar main body at intervals.

Preferably, the circumferential side surface of the stay bar body is axially provided with first dragging structures at intervals for one end of the dragging rope to pass through.

Preferably, the circumferential side faces of the brace rod main body, which are opposite to each other, extend along the axial direction of the brace rod main body to form a plurality of first limiting rods.

Preferably, a plurality of second rigging recovery structures are axially arranged on the upper side surface of the connecting support rod at intervals.

Preferably, the circumferential side surface of the connecting support rod is axially provided with a second dragging structure at intervals for one end of the dragging rope to pass through.

Preferably, the circumferential side faces opposite to each other of the connecting support rod extend axially along the connecting support rod to form a plurality of second limiting rods.

Preferably, a second ROV handle for operating the ROV is further provided on the connecting stay bar.

Preferably, the two axial ends of the stay bar main body are provided with first flange plates; and a second flange plate matched with the first flange plate is arranged at the axial end part of the connecting support rod.

Preferably, the first support member and the second support member each comprise a double splayed leg.

Preferably, the first and second supports each comprise a box-shaped base.

Preferably, the length of the stay body is greater than the length of the connecting stay.

The implementation of the utility model has the following beneficial effects: the jumper pipe hoisting support rod can be used for the jumper connection of various different specifications and models, the cost is saved by repeated use, the construction process is more standardized, the construction efficiency is improved, the jumper pipe is stable and does not shake in the whole installation process, the installation precision and the installation efficiency are improved, and the installation process is safer and more reliable. The jumper tube hoisting support rod is more stable and safe in the shipping, transporting and recovering processes.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural view of a jumper tube hoisting stay bar in application;

FIG. 2 is a schematic structural view of a jumper tube hoisting stay bar of the present invention;

FIG. 3 is a schematic structural view of a strut body according to the present invention;

FIG. 4 is a schematic view of the construction of the tie-stay of the present invention;

FIG. 5 is a schematic view of the first support member of the present invention;

6-7 are schematic structural views of a first stopper tube application of the present invention;

FIG. 8 is a schematic view of the first ROV handle of the present invention;

figure 9 is a schematic view of the shackle of the present invention;

FIG. 10 is a schematic structural view of a first rigging recovery arrangement according to the utility model;

fig. 11 is a schematic structural view of a first drag structure of the present invention;

FIG. 12 is a schematic view of the construction of the first flange of the present invention;

fig. 13 is a schematic structural view of the jumper pipe hoisting stay bar installed on the support frame.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, the jumper pipe hoisting stay bar of the present invention includes a stay bar body 1, and a connection stay bar 2 detachably mounted at an axial end of the stay bar body 1.

The bottom of the brace rod main body 1 is provided with a first supporting piece 11, the circumferential sides opposite to each other of the brace rod main body 1 axially extend along the brace rod main body 1 to form a plurality of first limiting tubes 12, and a first limiting space is formed between the adjacent first limiting tubes 12 for limiting a hanging strip of each hanging point of the jumper tube 10; the main stay bar body 1 is further provided with a first ROV handle 13 for ROV operation, and a plurality of lifting lugs 14 are axially arranged on the upper side surface of the main stay bar body 1 at intervals.

The bottom of the connecting stay bar 2 is provided with a second supporting piece 21, the circumferential side surfaces of the stay bar main body 1 which are opposite to each other are axially extended along the connecting stay bar 2 to form a plurality of second limiting tubes 22, and a second limiting space is formed between the adjacent second limiting tubes 22 so as to limit the hanging strips of each hanging point of the jumper tube 10.

In this embodiment, the brace rod main body 1 and the connecting brace rod 2 are both of a cylindrical structure, which may be a cylindrical structure, and the two may be connected by a flange. If the strut body 1 is provided with first flanges 18 at two axial ends (see fig. 12), and the connecting strut 2 is provided with second flanges 27 at the axial ends for matching with the first flanges 18, the first flanges 18 and the second flanges 27 may be identical in structure, and they are fixed by bolts after being butted. Preferably, the length of the stay bar main body 1 is greater than that of the connecting stay bar 2, and the connecting stay bar 2 can be installed at one end or two ends of the stay bar main body 1 in the axial direction according to actual requirements.

In this embodiment, the size of the brace rod main body 1 is matched with the size of the hung jumper pipe 10, or is slightly longer, and the material specification is determined according to the weight of the hung jumper pipe 10 and the load on working conditions such as hanging and lowering. The size of the connecting stay bar 2 is properly adjusted according to the size of the stay bar main body 1 and the size of the jumper pipe 10, the material specification is determined according to the weight of the hung jumper pipe 10, the load borne by working conditions such as hanging and lowering, and the connecting stay bar 2 bears the load when the jumper pipe 10 is hung.

Referring to fig. 5, in the embodiment, the first supporting member 11 includes a box-shaped base, and correspondingly, the second supporting member 21 may also be a box-shaped base. Of course, in some embodiments, the first support member 11 and the second support member 21 each include a double-splayed leg. It can be understood that double splayed supporting legs and/or box-shaped bases can be arranged at the bottoms of the strut main body 1 and the connecting strut 2 and are used for fixing and limiting the jumper pipe hoisting strut. Further, the circumferential side of the back of the body of the brace rod 1 axially extends along the body of the brace rod 1 to form a plurality of first limiting rods 17, the first limiting rods 17 can be circular tube structures, correspondingly, the circumferential side of the back of the body of the brace rod 2 axially extends along the body of the brace rod 2 to form a plurality of second limiting rods 25, the second limiting rods 25 can be the same as the first limiting rods 17 in structure and size, and the two can be circular tube structures. When the first support member 11 and the second support member 21 are both box-shaped bases, the first limiting rod 17 and the second limiting rod 25 can be used for limiting the hoisting support rod of the jumper tube. Preferably, referring to fig. 13, the first supporting member 11 and/or the second supporting member 21 can be limited on the supporting frame 20, and the first limiting rod 17 and/or the second limiting rod 25 can be limited to prevent the displacement of the jumper pipe hoisting support rod.

Referring to fig. 6 to 7, in the embodiment, the opposite circumferential sides of the stay bar body 1 extend along the axial direction of the stay bar body 1 to form a plurality of first limiting tubes 12, and the first limiting tubes 12 may be circular tubes, and the structure and the number thereof may be selected according to actual requirements, which is not specifically limited herein.

Referring to fig. 8, the first ROV handles 13 may be respectively disposed at two axial ends of the stay main body 1, so that the position of the jumper hoisting the stay by the ROV under water can be conveniently adjusted, similarly, the connection stay 2 may further be provided with a second ROV handle 26 for the ROV to operate, the second ROV handle 26 is disposed at an end far away from the stay main body 1, the second ROV handle 26 may have the same structure as the first ROV handle 13, and the number and the positions of the first ROV handle 13 and the second ROV handle 26 may be selected according to actual requirements, which is not specifically limited herein.

Referring to fig. 9, in the present embodiment, a plurality of lifting lugs 14 are axially spaced on the upper side of the stay bar main body 1, and the lifting lugs 14 are used for integrally lifting the jumper bar and the jumper pipe 10.

Referring to fig. 10, a plurality of first rigging recovery structures 15 are axially spaced on the upper side of the strut body 1. Correspondingly, a plurality of second rigging recovery structures 23 are axially arranged on the upper side surface of the connecting support rod 2 at intervals, and the first rigging recovery structure 15 and the second rigging recovery structure 23 can be plate-shaped structures provided with hanging holes and the like. After the installation of the jumper tube 10 is finished, the hook at the tail end of the sling is hooked to the first rigging recovery structure 15 and/or the second rigging recovery structure 23 by an ROV, so that the recovery process of the jumper tube hoisting stay bar is safer and more reliable.

Referring to figure 11, the circumferential side of the strut body 1 is provided with axially spaced first drag formations 16 through which one end of a drag cable 30 is passed. Correspondingly, the circumferential side of the connecting strut 2 is provided with second towing formations 24 at axially spaced intervals through which one end of a towing rope 30 is passed, and the second towing formations 24 may be of the same construction as the first towing formations 16. The first dragging structure 16 may be a positioning plate disposed on two sides of the stay bar body 1 and having positioning holes disposed thereon. Wherein, one end of a dragging rope 30 respectively passes through the first dragging structure 16 and the second dragging structure 24, and the other end is connected with a winch, so that the midspan pipe 10 is kept stable in the hoisting process

In this embodiment, the jumper hoisting stay bar is applied as follows:

1. land hoisting preparation phase

Whether to lengthen the stay bar main body 1 is determined according to the length of the hung jumper pipe 10, and two connecting stay bars 2 can be installed to the two axial ends of the stay bar main body 1 by using flange bolts to perform lengthening according to requirements.

A rigging of a corresponding specification is mounted on the lifting lug 14 of the stay main body 1, and the other end of the rigging is temporarily kept in a free state.

And (3) mounting each hanging strip on a jumper tube lifting stay bar, wherein the mounting position corresponds to the lifting point position of the jumper tube 10. The hanging strip can be arranged in the first limit space and the second limit space, so that the position of the hanging strip is completely limited and fixed. And connecting rigging of each hoisting point of the jumper pipe 10 with a sling at a position corresponding to the hoisting stay bar of the jumper pipe. Checking and confirming the rigging between the jumper pipe hoisting stay bar and the jumper pipe 10, and confirming that the connection is finished after no error.

A pulling rope 30 (which may consist of a harness and rigging) for pulling is threaded at one end to the first pulling structure 16 and/or the second pulling structure 24 and at the other end temporarily remains free.

The other end of the rigging mounted to the lifting lug 14 is connected to the crane hook (during which trial lifting may be performed).

2. Loading stage

And mounting and fixing a plurality of constructed strut support frames to the designated positions of the operation ship, wherein the mutual positions of the strut support frames correspond to the positions of a first support member 11 and a second support member 21 (such as double splayed support legs/box-shaped bases) of the jumper hoisting struts.

The crane integrally lifts the jumper pipe lifting stay bar and the jumper pipe 10 and moves the position, the jumper pipe 10 is placed at the specified support position of the ship, and the jumper pipe 10 is fixed in the ship.

And (3) lowering the lifting hook of the crane until the first support piece 11 and the second support piece 21 of the jumper tube hoisting support rod are close to the support rod support frame, adjusting the position of the jumper tube hoisting support rod by dragging the free end of a dragging rope 30 fixed on the first dragging structure 16 and/or the second dragging structure 24 until the double-splayed support leg or the first limiting rod 17 and/or the second limiting rod 25 is clamped into the support rod support frame, and finishing the shipment and fixation of the jumper tube hoisting support rod. The crane lowers the hook and removes the rigging from the hook.

The free end of the haul line 30 is secured to the winch of the vessel.

3. Stage of underwater installation

The other end of the rigging mounted to the lifting lug 14 is connected to a crane hook.

The crane integrally lifts the jumper pipe lifting stay bar and the jumper pipe 10, and the jumper pipe lifting stay bar and the jumper pipe 10 start to be lowered after moving to the outside of the ship board. The stability of the pipe jumper 10 during hoisting is ensured by a haul line 30 connected at both ends to the first haul structure 16 and/or the second haul structure 24 and the winch.

After lowering the water and stabilizing, the ROV operates the ROV hook on the haul line 30 to disconnect the haul line 30 from the center.

And continuously lowering the jumper pipe 10 to a target area for installation, pulling the first ROV handle 13 and/or the second ROV handle 26 by the ROV to adjust the hoisting position of the jumper pipe 10, slowly lowering the jumper pipe 10, continuously adjusting the two ends of the jumper pipe 10, slowly lowering the jumper pipe 10, and finishing the installation of the jumper pipe 10.

ROV operation ROV hook on the hoist rigging unlatches and retrieves the rigging spanning each hoist point of pipe 10. And then the ROV hook at the tail end of the hoisting rigging is moved to the top of the jumper pipe hoisting stay bar, and the ROV hook head is hooked on the first rigging recovery structure 15 and/or the second rigging recovery structure 23 to complete recovery, so that the safety and stability of the jumper pipe hoisting stay bar in the recovery process are ensured.

When the crane is lifted and the jumper hoisting support rod is lifted to be close to the water surface, the ROV hooks the ROV of the dragging rope 30 to be connected to the rigging on the dragging rope 30, and the dragging rope 30 is restored to the connection state.

The crane continues to lift to enable the jumper tube hoisting support rod to reach the area above the support rod support frame, one end of a dragging rope 30 connected with the winch is unfastened to be a free end, when double splayed support legs of the jumper tube hoisting support rod are close to the support rod support frame, an operator drags the free end of the dragging rope 30 to adjust the position of the jumper tube hoisting support rod until the double splayed support legs or the first limiting rod 17 and/or the first limiting rod 25 are clamped into the support rod support frame and then the jumper tube hoisting support rod is fixed, the crane transfers a lifting hook to shift out a rigging from the lifting hook, and the recovery of the jumper tube hoisting support rod is completed.

The jumper tube hoisting support rod has the following beneficial effects:

1. the jumper tube 10 can be used for jumper tubes 10 of various specifications and models, is repeatedly used for multiple times, saves cost, enables the construction process to be more standardized, and improves the construction efficiency.

2. The jumper pipe 10 is stable and free from shaking in the whole installation process, installation accuracy and installation efficiency are improved, and the installation process is safer and more reliable.

3. The jumper pipe hoisting support rod is more stable and safe in the shipping, transporting and recovering processes.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (12)

1. A jumper tube hoisting stay bar is characterized by comprising a stay bar main body (1) and a connecting stay bar (2) which is detachably arranged at the axial end part of the stay bar main body (1);

the bottom of the support rod main body (1) is provided with a first support piece (11), the circumferential sides of the support rod main body (1) which are opposite to each other axially extend along the support rod main body (1) to form a plurality of first limiting pipes (12), and a first limiting space is formed between every two adjacent first limiting pipes (12); the support rod main body (1) is also provided with a first ROV handle (13) for ROV operation, and the upper side surface of the support rod main body (1) is axially provided with a plurality of lifting lugs (14) at intervals;

the bottom of connecting stay bar (2) is equipped with second support piece (21), the circumference side of carrying on the back of the body of stay bar (1) is followed connecting stay bar (2) axial extension has a plurality of spacing pipes of second (22), forms the spacing space of second between the spacing pipe of adjacent second (22).

2. The jumper pipe hoisting stay bar according to claim 1, wherein a plurality of first rigging recovery structures (15) are axially arranged on the upper side surface of the stay bar body (1) at intervals.

3. The jumper hoisting stay according to claim 1, characterized in that the circumferential side of the stay body (1) is axially provided at intervals with first haul structures (16) for one end of a haul rope to pass through.

4. The jumper pipe hoisting stay bar according to claim 1, wherein the opposite circumferential sides of the stay bar body (1) are provided with a plurality of first limiting rods (17) extending axially along the stay bar body (1).

5. The jumper pipe hoisting stay bar according to claim 1, wherein a plurality of second rigging recovery structures (23) are axially spaced on the upper side of the connecting stay bar (2).

6. The jumper hoisting stay according to claim 1, characterized in that the circumferential side of the connection stay (2) is provided with second towing structures (24) at axial intervals for one end of a towing rope to pass through.

7. The jumper pipe hoisting stay bar according to claim 1, wherein the opposite circumferential sides of the connection stay bar (2) have a plurality of second stop bars (25) extending axially along the connection stay bar (2).

8. The jumper pipe hoisting stay bar according to claim 1, wherein a second ROV handle (26) for ROV operation is further provided on the connection stay bar (2).

9. The jumper pipe hoisting stay bar according to claim 1, wherein the stay bar body (1) is provided with first flanges (18) at two axial ends; and a second flange (27) matched with the first flange (18) is arranged at the axial end part of the connecting support rod (2).

10. The jumper pipe hoisting stay according to claim 1, characterized in that the first support (11) and the second support (21) each comprise a double splayed leg.

11. The jumper hoisting stay according to claim 1, characterized in that the first support (11) and the second support (21) each comprise a box-shaped base.

12. The jumper hoisting stay according to claim 1, characterized in that the length of the stay body (1) is greater than the length of the connecting stay (2).

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